Keyphrases
- information retrieval
- management system
- search engine
- information retrieval systems
- information extraction
- information access
- machine learning
- question answering
- data sets
- language processing
- network management
- language modeling
- retrieval effectiveness
- test collection
- decision support
- data management
- language model
- relevance feedback
- database
- access control
- knowledge management
- retrieval systems
- document retrieval
- retrieval model
- information management
- learning to rank
- case study
- information systems
- vector space model
- artificial intelligence
- term weighting